1. Which is an example of an activity with a moderate amount of physical activity?
a.) cross-country skiing
b.) biking up steep-hill terrains
c.) playing a game of soccer
d.) skating

2. Which could be considered a vigorous physical activity?
a.) surfing
b.) dancing
c.) playing doubles tennis
d.) chopping wood

3. Which activity provides a low level of physical exercise?
a.) raking leaves
b.) walking the dog
c.) dancing
d.) washing dishes